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Sample Record for 2025-08-22-65

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Project Information

Project ID: 215220 DEA: 07210624 EFIS: 0719000068 QA Service Level: 1
DIST-CO-RTE-PM: 07-LA,SBD-71-1.8/R4.7&R0.0/R0.2
Work Description: PLACE STRUCTURE CONCRETE RETAINING WALLS & BOX CULVERT AND PLACE JPCP.
Location Description: IN LOS ANGELES AND SAN BERNARDINO COUNTIES IN POMONA AND CHINO HILLS FROM 0.2 MILE SOUTH OF MISSION BOULEVARD OVERCROSSING TO 0.2 MILE OF SAN BERNARDINO COUNTY LINE.
Contractor Name: OHL USA
Contractor Address: 1920 Main Street, Suite 310, Irvine, California 92614
Resident Engineer: Michael Wang Structure Rep.: Ryan Valentine

Sample Information

DIME Sample ID: 2025-08-22-65
TL Number from the TL Form:
Sample Submitted By Organization: Alta Vista Solutions - Whittier
Sample Organization Contact: (510) 542-9827
Type of Sample: Quality Assurance
Type of Material: Concrete
Sample Taken Date: 08/22/2025
Date that the sample was received by the laboratory/organization performing the testing: 07/25/2025
The quantity of what the sample constitutes: 10 CY
A brief description of the sample: 6x12 concrete cylinders
From where was the sample collected: Job Site
Laboratory sample identification: 25-2449
Structure unique identifier:
Structure name: LA 71SB Stage 3
The fabricator/manufacturer/facility name: N/A

Material Information

The concrete mix design number: SC675B38
The truck number from where the sample was collected: Truck 2116
The batch plant ticket number from where the sample was collected: Load 1
Concrete batch plant:
The fabricator/manufacturer designation for the sample: N/A
A detailed description of where the material sample was collected: Jobsite
Where the material sample would have been placed if not sampled: Jobsite
From Lot No.:
Bag Lot No.:
Test results on following page(s): 1

Test Results

Test 1 of 1

DIME Test ID: 2025-08-22-65-1
Test Method: CTM 521-June 2020: Method of Test for Compressive Strength of Molded Concrete Cylinders
Verified Date: 10/02/2025
Date Tested: 08/22/2025
Submitted By Organization: Alta Vista Solutions - Whittier
Organization Address: 12409 Slauson Avenue, Suite I,
Organization City: Whittier
Organization State: CA
Organization Zipcode: 90606
Organization Email: nicholas.hoffmann@oneatlas.com
Organization Phone: (510) 542-9827
General Comments for this Test:
Test Result Compliance:
Additional Comments When Verified:
Unit system used? US Units
Number of specimens 3
Test performed With no density determined
Capped in accordance with? ASTM C617 - Sulfur Mortar Cap
Average diameter of cylinder 1 5.98 in
Average diameter of cylinder 2 5.97 in
Average diameter of cylinder 3 5.97 in
Cross sectional area of cylinder 1 28.09 in^2
Cross sectional area of cylinder 2 27.99 in^2
Cross sectional area of cylinder 3 27.99 in^2
Compressive strength (to nearest 10 psi) 4820 psi
Maximum load on cylinder 1 135732 lb
Maximum load on cylinder 2 132568 lb
Maximum load on cylinder 3 137302 lb
Compressive strength of cylinder 1 4832.0 psi
Type of fracture pattern of cylinder 1 6
Compressive strength of cylinder 2 4736.3 psi
Compressive strength of cylinder 3 4905.4 psi
Type of fracture pattern of cylinder 2 6
Type of fracture pattern of cylinder 3 5
Comment on any defect in either specimen or caps (Max 250 Characters) no data
Correction factor for cylinder 1 1
Correction factor for cylinder 2 1
Correction factor for cylinder 3 1
Age of specimen 28 days
Age of specimen in hours no data0 hours